1/2" Male NPT to 3/8" Male NPT Reducing Hex Nipple, 304 Stainless Steel 1/2 to 3/8 Adapter. Our premium range of pipe fittings, 1/2' to 3/8' reducer hex nipple is meticulously crafted from 304 stainless steel, ensuring exceptional corrosion resistance and durability. These 1/2 to 3/8 reducers are designed for longevity and are rust-free, making 1/2 to 3/8 npt reducer ideal for a variety of applications. Whether you're upgrading the faucet in your RV or caravan with faucet adapters or renovating your kitchen's pipeline, our faucet connector 3/8 x 1/2 offer reliable performance. With a wide array of sizes and configurations, they are ideal for both residential and commercial use, providing a robust solution for all your plumbing needs. Whether you're a professional plumber or someone who likes to do their own remodeling, this 1/2 npt male to 3/8 male kit is ideal for you to create fulfillment in your field! NPT thread size is a nominal pipe size and it does not represent the actual diameter. Please measure your pipe by yourself first, to confirm whether this product meets your needs before purchasing!